Parking brake unlocking system for trailer, has unlocking unit that sends electrical current to circuits to open solenoid valves after identifying authorized person, where valves are opened to unlock parking brake

摘要

The system has an unlocking unit (8) sending an electrical current to circuits (9, 10) to open solenoid valves (11, 12), after identifying the authorized person. The unlocking unit receives information and a signal from a unit (15) or a processor (6). The solenoid valves are opened to unlock a parking brake. The units, processor, circuits, and valves are placed in a hard resin. The unit (15) communicates with the authorized person through a code entered on a keyboard, by presentation of a magnetic badge, through a radio signal transmitted from a remote control, through a signal transmitted from a GSM or through a signal transmitted via satellites from a central control. The processor analyze information, received by digital fingerprint sensors (1, 2), of finger (5) of the authorized person.